1 files changed, 34 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode-disabled.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode-disabled.html
new file mode 100644
index 0000000000..6b46bf4e34
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode-disabled.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<title>Cues are properly removed from the active cue list when their track changes mode to disabled</title>
+<script src="/common/media.js"></script>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<video>
+    <track src="resources/captions-gaps.vtt" kind="captions" default >
+    <script>
+    async_test(function(t) {
+        var video = document.querySelector("video");
+        var testTrack = document.querySelector("track");
+
+        video.src = getVideoURI("/media/counting");
+        video.oncanplaythrough = t.step_func(startTest);
+        video.onseeked = t.step_func_done(seeked);
+
+        function startTest() {
+            // Set the mode of the text track to "showing".
+            testTrack.track.mode = "showing";
+            // Seek to a time with a caption.
+            video.currentTime = 1.5;
+        }
+
+        function seeked() {
+            // Set the mode of the text track to "hidden", then to "showing" again.
+            testTrack.track.mode = "hidden";
+            testTrack.track.mode = "showing";
+
+            // Set the mode of the text track to "disabled".
+            testTrack.track.mode = "disabled";
+        }
+    });
+    </script>
+</video>
+\ No newline at end of file